CCNA: Chapter 2-5 Route Summarization

10. September 2016 Cisco, Study Guides 0
CCNA: Chapter 2-5 Route Summarization
You already know from the previous chapter that routers function by creating a table of all networks it knows about. This table is called the routing table and routers use routing protocols to tell each other about the networks they know of. As networks increase, so do the number of entries in a routing table. ...

CCNA: Chapter 2-3 Subnetting

10. September 2016 Cisco, Study Guides 0
CCNA: Chapter 2-3 Subnetting
In case of class A and B IP addresses, each of them provides for a large number of hosts. For class A, the total numbers of hosts available are 224-2 or 16,777,216 hosts (class A has 24 bits available for host component and each bit can have two values – 0 and 1. Out of ...

CCNA: Chapter 2-2 Private and Public IP addresses

10. September 2016 Cisco, Study Guides 0
CCNA: Chapter 2-2 Private and Public IP addresses
As you know already, every host on a network requires a unique IP address. This is easily manageable in a small network but not a network as large as the Internet. The Internet Assigned Numbers Authority (IANA) is responsible for managing and distributing IP addresses. The IANA has created 5 address registrars in five locations ...

CCNA: Chapter 1-7 Summary

10. September 2016 Cisco, Study Guides 0
CCNA: Chapter 1-7 Summary
Though this chapter was long, it helped lay the foundation of your CCNA networking knowledge. The importance of understanding every topic in this chapter cannot be stressed enough. I would strongly suggest going through the chapter again to reinforce the basics. The chapter started off with the importance of networks, basic network devices and network ...

CCNA: Chapter 1-6 Cisco 3 Layer Model

10. September 2016 Cisco, Study Guides 4
CCNA: Chapter 1-6 Cisco 3 Layer Model
In a large organization it is common to see large and complicated networks consisting of many locations, devices, services, and protocols. It can be cumbersome to manage and troubleshoot such networks. In addition to that as technologies evolve, the network has to evolve also. Making changes to a complex network is often difficult. Cisco with ...

CCNA: Chapter 1-5 Ethernet Technologies and Cabling

07. September 2016 Cisco, Study Guides 0
CCNA: Chapter  1-5 Ethernet Technologies and Cabling
Ethernet in the term used for a family of standards that define the Network Access layer of the most common type of LAN used today. The various standards differ in terms of speeds supported, cable types and the length of cables. The Institute of Electrical and Electronics Engineers (IEEE) is responsible for defining the various ...

CCNA: Chapter 1-4 TCP/IP Model

07. September 2016 Cisco, Study Guides 0
CCNA: Chapter 1-4 TCP/IP Model
As mentioned earlier, the OSI reference model and the TCP/IP model are two open standard networking models that are very similar.  However, the latter has found more acceptance today and the TCP/IP protocol suite is more commonly used. Just like the OSI reference model, the TCP/IP model takes a layered approach. In this section we ...

CCNA: Chapter 1-3 OSI Reference Model

07. September 2016 Cisco, Study Guides 0
CCNA: Chapter 1-3 OSI Reference Model
As discussed earlier, the OSI model was created to promote communication between devices of various vendors. It also promotes communication between disparate hosts such as hosts using different operating platforms (Windows, OSX, Linux, etc.). Remember that you are very unlikely to ever work on a system that uses protocols conforming to the OSI reference model.  ...

Hypervisor

Hypervisor
Proficiency Level 1 Basic Understanding Cites examples of resources commonly and easily shared in a virtual environment. Describes basic concepts of virtual processing. Describes major hypervisor functions, features and capabilities. Describes typical management and utilization reports. Proficiency Level 2 Working Experience Demonstrates how to use most basic hypervisor features and functions. Has worked with server ...

IP Routing and Protocols

IP Routing and Protocols
Proficiency Level 1 Basic Understanding Describes basic IP concepts and functions. Describes the OSI seven-layer model and the relevant IP-related protocols. Understands common transport-layer protocols utilizing IP (TCP, UDP, RUDP, etc.). Configures and operated basic IP networks on common commercial router/ and switch platforms (Cisco, Juniper, ALU, etc). Proficiency Level 2 Working Experience Understands multi-AS ...

Network Performance Management

Network Performance Management
Proficiency Level 1 Basic Understanding Identifies major factors and physical components that contribute to network performance. Lists types of tools used in network performance management tasks. Identifies own organizational network service strengths and weaknesses. Describes circumstances that cause performance degradation and bottlenecks. Proficiency Level 2 Working Experience Provides support to technical problems and issues that ...

Performance Measurement and Tuning

Performance Measurement and Tuning
Proficiency Level 1 Basic Understanding Describes basic concepts and features of performance metrics in database, network, hardware and software systems. Describes circumstances that cause performance degradation and bottlenecks. Explains reporting and record-keeping procedures. Identifies components contributing to system performance. Proficiency Level 2 Working Experience Monitors the performance of specific system components. Works with installed software ...

Power Supply / System Design

Power Supply / System Design
Proficiency Level 1 Basic Understanding Identifies major components and features of hardware power supply/systems devices. Describes the development processes and procedures of power supply/systems design. Explains the differences between switching and linear power supply/systems models. Cites examples of good and bad power supply/systems designs. Proficiency Level 2 Working Experience Participates in power supply/systems design for ...

Quality Assurance and Testing

Quality Assurance and Testing
Proficiency Level 1 Basic Understanding Identifies primary product quality areas, indicators, and measures. Reviews major activities associated with ensuring quality in products. Locates and reviews documentation and user manuals for usability, accuracy and completeness. Cites examples of poor quality and associated implications. Proficiency Level 2 Working Experience Works with a specific methodology for testing and ...

Reliability Engineering

Reliability Engineering
Proficiency Level 1 Basic Understanding Cites examples of the business impact from poor product reliability and availability. Compiles a list of common tools and techniques to measure reliability and availability. Describes the concepts and principles of reliability engineering. Identifies different types of testing procedures used in reliability engineering. Proficiency Level 2 Working Experience Maintains an ...

Risk Management

Risk Management
Proficiency Level 1 Basic Understanding Identifies major categories of business risks. Describes potential consequences associated with specific examples of business risks. Describes key issues and benefits of risk management practices. Makes use of organizational resources for risk avoidance and management. Proficiency Level 2 Working Experience Implements or manages risk management for own area. Documents the ...

SS7 Signaling Technologies

SS7 Signaling Technologies
Proficiency Level 1 Basic Understanding Cites examples of common network problems and resolutions. Describes SS7 engineering principles. Highlights the purpose of and common use of Access Control Lists and variable subnet masking. Understanding of IP Protocols, Service Applications and Multicast. Proficiency Level 2 Working Experience Works with design and implementation of signaling architectures. Demonstrates proficiency ...